CN113461432A - Anti-scouring anhydrous stemming - Google Patents
Anti-scouring anhydrous stemming Download PDFInfo
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- CN113461432A CN113461432A CN202110859061.3A CN202110859061A CN113461432A CN 113461432 A CN113461432 A CN 113461432A CN 202110859061 A CN202110859061 A CN 202110859061A CN 113461432 A CN113461432 A CN 113461432A
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- 238000009991 scouring Methods 0.000 title abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 54
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 41
- 239000008187 granular material Substances 0.000 claims abstract description 38
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 34
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 34
- 239000010703 silicon Substances 0.000 claims abstract description 34
- 239000010431 corundum Substances 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 31
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 239000003921 oil Substances 0.000 claims abstract description 29
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 26
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 239000004927 clay Substances 0.000 claims abstract description 18
- 239000000571 coke Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims description 52
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 32
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 239000011819 refractory material Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000007767 bonding agent Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3865—Aluminium nitrides
- C04B2235/3869—Aluminium oxynitrides, e.g. AlON, sialon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/402—Aluminium
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Ceramic Products (AREA)
Abstract
The invention relates to the technical field of refractory materials, in particular to an anti-scouring anhydrous stemming, which comprises a dry material and environment-friendly resin oil, wherein the dry material comprises corundum aggregate, silicon carbide granules, coke granules, high-alumina fine powder, silicon carbide micro powder, active alumina powder, metal silicon, a metal sialon compound and clay in specific weight parts, the environment-friendly resin oil is a novel bonding agent which is treated by a high-pressure kettle and has harmful gas discharge amount meeting national requirements, the raw materials are stirred and mixed according to a certain proportion to prepare the anti-scouring sewage-free stemming, and the mixture is added with the metal silicon and the metal sialon compound, so that on one hand, the anti-scouring capability of the material is improved by utilizing the sialon phase per se, on the other hand, under the high-temperature use environment of the metal sialon compound, the sialon is generated by in-situ reaction with alumina micro powder, silicon carbide micro powder and the like in the raw materials, so that the strength and the anti-scouring performance of the material are effectively improved.
Description
Technical Field
The invention relates to the technical field of refractory materials, in particular to an anti-scouring anhydrous stemming.
Background
The stemming is a refractory material for blocking the tap hole of the iron-making blast furnace, and the quality of the performance of the stemming is directly related to whether the blast furnace can safely operate or not. In the running process of the blast furnace, the stemming has three functions: blocking the tap hole, stably discharging molten iron and slag, protecting the hearth and prolonging the service life of the refractory bricks at the bottom of the blast furnace. With the development of new steel smelting technology, modern blast furnaces develop towards large-scale, ultra-large-scale, automatic, long-life, high-pressure, high-strength and other smelting directions, and are intensively smelted by adopting high-blast-temperature, high-pressure furnace top, coal injection, computer control and other high-technology, and meanwhile, the utilization coefficient of the blast furnaces is higher and higher, the daily iron output is higher and higher, so that the working conditions and the technical requirements of stemming are increasingly strict. The stemming is gradually converted into a functional refractory material from a pure consumable refractory material, and the enlargement of a blast furnace puts higher requirements on the strength of anhydrous stemming. The production finds that the existing anhydrous stemming can not meet the use requirement and needs to maintain the blast furnace at high frequency, so the anhydrous stemming with high anti-scouring performance and suitable for the iron-making blast furnace is needed.
Disclosure of Invention
In order to solve the problems, the invention provides an anti-scouring anhydrous stemming, which comprises a dry material and environment-friendly resin oil, wherein the dry material comprises corundum aggregate, silicon carbide granules, coke granules, high-alumina fine powder, silicon carbide micro powder, activated alumina powder, metal silicon, a metal sialon compound and clay in a specific weight proportion, the environment-friendly resin oil is novel inorganic environment-friendly resin oil, the raw materials are stirred and mixed according to a certain proportion and a certain adding mode to prepare the anti-scouring sewage-free stemming, and the metal silicon and the metal sialon compound are added into the mixture, so that on one hand, the anti-scouring capability of the material is improved by utilizing the sialon phase per se, on the other hand, under the high-temperature use environment, the sialon is generated by in-situ reaction with alumina micro powder, silicon carbide micro powder and the like in the raw materials, so that the strength and the anti-scouring performance of the material are effectively improved.
The invention provides an anti-scouring anhydrous stemming for solving the problems, which comprises a dry material and environment-friendly resin oil, wherein the dry material comprises the following raw materials in parts by weight: 10-20 parts of brown corundum granules, 10-17 parts of white corundum granules, 5-10 parts of silicon carbide granules, 8-15 parts of coke granules, 5-10 parts of high-aluminum fine powder, 6-10 parts of 200-mesh silicon carbide powder, 2-5 parts of 325-mesh silicon carbide powder, 3-8 parts of metal sialon compound, 2-6 parts of activated alumina powder, 1-5 parts of silicon micropowder, 5-12 parts of Guangxi clay and 1-5 parts of metal silicon, wherein the weight parts of the environment-friendly resin oil are 8-15 parts.
As a further scheme of the anti-scouring anhydrous stemming, the particle size of the brown corundum particles is 1-2mm, the particle size of the white corundum particles is 0.21-1mm, the particle size of the silicon carbide particles is 0.21-1mm, the particle size of the coke particles is 0.21-1mm, the high-aluminum fine powder is 200-mesh powder, the Guangxi clay is 200-mesh powder, and the metal silicon is 325-mesh powder.
As a further scheme of the anti-scouring anhydrous stemming, the dry material comprises the following raw materials in parts by weight: 10 parts of brown corundum particles with the particle size of 1-2mm, 10 parts of white corundum particles with the particle size of 0.21-1mm, 5 parts of silicon carbide particles with the particle size of 0.21-1mm, 8 parts of coke particles with the particle size of 0.21-1mm, 5 parts of 200-mesh high-aluminum fine powder, 6 parts of 200-mesh silicon carbide powder, 2 parts of 325-mesh silicon carbide powder, 3 parts of metal sialon compound, 2 parts of activated alumina powder, 1 part of silicon micro powder, 5 parts of 200-mesh Guangxi clay and 1 part of 325-mesh metal silicon, and 8 parts of environment-friendly resin oil.
As a further scheme of the anti-scouring anhydrous stemming, the dry material comprises the following raw materials in parts by weight: 20 parts of brown corundum granules with the granularity of 1-2mm, 17 parts of white corundum granules with the granularity of 0.21-1mm, 10 parts of silicon carbide granules with the granularity of 0.21-1mm, 15 parts of coke granules with the granularity of 0.21-1mm, 10 parts of 200-mesh high-aluminum fine powder, 10 parts of 200-mesh silicon carbide powder, 5 parts of 325-mesh silicon carbide powder, 8 parts of metal sialon compound, 6 parts of activated alumina powder, 5 parts of silicon micropowder, 12 parts of 200-mesh Guangxi clay and 15 parts of 325-mesh metal silicon, and 15 parts of environment-friendly resin oil.
As a further scheme of the anti-scouring anhydrous stemming, the dry material comprises the following raw materials in parts by weight: 15 parts of brown corundum granules with the granularity of 1-2mm, 13 parts of white corundum granules with the granularity of 0.21-1mm, 8 parts of silicon carbide granules with the granularity of 0.21-1mm, 11 parts of coke granules with the granularity of 0.21-1mm, 8 parts of 200-mesh high-alumina fine powder, 8 parts of 200-mesh silicon carbide powder, 3.5 parts of 325-mesh silicon carbide powder, 5.5 parts of metal sialon compound, 4 parts of active alumina powder, 3 parts of silicon micropowder, 8 parts of 200-mesh Guangxi clay and 3 parts of 325-mesh metal silicon, and 11.5 parts of environment-friendly resin oil.
Compared with the prior art, the invention has the following beneficial effects: through adding metal silicon and metal sialon compound in this scheme, utilize the sialon of material self to promote the holistic scour resistance of stemming on the one hand in the use, on the other hand metal sialon compound and the aluminium oxide miropowder in the raw materials, carborundum miropowder etc. normal position reaction production sialon under high temperature environment, it is that stemming intensity can further improve, in the organic environmental protection resin oil in the material, beta resin content is higher, can further promote stemming intensity with material reaction at high temperature, thereby promote stemming's scour resistance.
Detailed Description
Example 1
The anti-scouring anhydrous stemming comprises a dry material and environment-friendly resin oil, wherein the dry material comprises the following raw materials in parts by weight: 10-20 parts of brown corundum particles, 10-17 parts of white corundum particles, 5-10 parts of silicon carbide particles, 8-15 parts of coke particles, 5-10 parts of high-aluminum fine powder, 6-10 parts of 200-mesh silicon carbide powder, 2-5 parts of 325-mesh silicon carbide powder, 3-8 parts of metal sialon compound, 2-6 parts of activated alumina powder, 1-5 parts of silicon micropowder, 5-12 parts of Guangxi clay and 1-5 parts of metal silicon, wherein the environment-friendly resin oil is 8-15 parts by weight, and is novel organic environment-friendly resin oil. The particle size of the brown corundum particle material is 1-2mm, the particle size of the white corundum particle material is 0.21-1mm, the particle size of the silicon carbide particle material is 0.21-1mm, the particle size of the coke particle material is 0.21-1mm, the high-aluminum fine powder is 200 meshes of powder, the Guangxi clay is 200 meshes of powder, and the metal silicon is 325 meshes of powder.
The anhydrous stemming of the scheme comprises corundum aggregate, silicon carbide granules, coke granules, high-alumina fine powder, silicon carbide micro powder, activated alumina powder, metal silicon, a metal sialon compound and clay in a specific weight ratio, the environment-friendly silicon-aluminum alloy material is prepared by mixing and stirring the environment-friendly silicon-aluminum alloy material and organic environment-friendly resin oil in specific parts by weight, and metal silicon and a metal sialon compound are added in the formula, so that on one hand, the anti-scouring capability of the material is improved by utilizing the sialon phase per se, on the other hand, the metal sialon compound reacts with alumina micro powder and silicon carbide micro powder in the raw material at high temperature in situ, the high-temperature bonding strength of the material is improved, the anti-scouring performance of the material is improved, the beta resin content in the organic environment-friendly resin oil used in the scheme is higher, and a high-strength carbon bonding structure is formed between the organic environment-friendly resin oil and the mixture material at high temperature, so that the high-strength carbon bonding structure is beneficial to improving the slag and anti-scouring performance of the stemming, and is particularly suitable for various furnace types with higher utilization coefficient of a blast furnace. The physical and chemical indexes of the anti-scour anhydrous stemming prepared by the embodiment are as follows.
| Al2O3（%） | C（%） | SiC（%） | Bulk Density (g/cm)3） | Line change rate (%) | Compressive strength MPa (1200 ℃ x 3h) |
| 35～40 | 5～30 | 16～22 | ≥2.0 | +0.1～+0.5 | ≥30 |
Example 2
The anti-scouring anhydrous stemming comprises a dry material and environment-friendly resin oil, wherein the dry material comprises the following raw materials in parts by weight: 10 parts of brown corundum particles with the particle size of 1-2mm, 10 parts of white corundum particles with the particle size of 0.21-1mm, 5 parts of silicon carbide particles with the particle size of 0.21-1mm, 8 parts of coke particles with the particle size of 0.21-1mm, 5 parts of 200-mesh high-aluminum fine powder, 6 parts of 200-mesh silicon carbide powder, 2 parts of 325-mesh silicon carbide powder, 3 parts of metal sialon compound, 2 parts of activated alumina powder, 1 part of silicon micro powder, 5 parts of 200-mesh Guangxi clay and 1 part of 325-mesh metal silicon, and 8 parts of environment-friendly resin oil.
Example 3
The anti-scouring anhydrous stemming comprises a dry material and environment-friendly resin oil, wherein the dry material comprises the following raw materials in parts by weight: 20 parts of brown corundum granules with the granularity of 1-2mm, 17 parts of white corundum granules with the granularity of 0.21-1mm, 10 parts of silicon carbide granules with the granularity of 0.21-1mm, 15 parts of coke granules with the granularity of 0.21-1mm, 10 parts of 200-mesh high-aluminum fine powder, 10 parts of 200-mesh silicon carbide powder, 5 parts of 325-mesh silicon carbide powder, 8 parts of metal sialon compound, 6 parts of activated alumina powder, 5 parts of silicon micropowder, 12 parts of 200-mesh Guangxi clay and 15 parts of 325-mesh metal silicon, and 15 parts of environment-friendly resin oil.
Example 4
The anti-scouring anhydrous stemming comprises a dry material and environment-friendly resin oil, wherein the dry material comprises the following raw materials in parts by weight: 15 parts of brown corundum granules with the granularity of 1-2mm, 13 parts of white corundum granules with the granularity of 0.21-1mm, 8 parts of silicon carbide granules with the granularity of 0.21-1mm, 11 parts of coke granules with the granularity of 0.21-1mm, 8 parts of 200-mesh high-alumina fine powder, 8 parts of 200-mesh silicon carbide powder, 3.5 parts of 325-mesh silicon carbide powder, 5.5 parts of metal sialon compound, 4 parts of active alumina powder, 3 parts of silicon micropowder, 8 parts of 200-mesh Guangxi clay and 3 parts of 325-mesh metal silicon, and 11.5 parts of environment-friendly resin oil.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. An antiscour anhydrous stemming which is characterized in that: the environment-friendly resin oil comprises a dry material and environment-friendly resin oil, wherein the dry material comprises the following raw materials in parts by weight: 10-20 parts of brown corundum granules, 10-17 parts of white corundum granules, 5-10 parts of silicon carbide granules, 8-15 parts of coke granules, 5-10 parts of high-aluminum fine powder, 6-10 parts of 200-mesh silicon carbide powder, 2-5 parts of 325-mesh silicon carbide powder, 3-8 parts of metal sialon compound, 2-6 parts of activated alumina powder, 1-5 parts of silicon micropowder, 5-12 parts of Guangxi clay and 1-5 parts of metal silicon, wherein the weight parts of the environment-friendly resin oil are 8-15 parts.
2. An antiscour waterless stemming as defined in claim 1, wherein: the particle size of the brown corundum particle material is 1-2mm, the particle size of the white corundum particle material is 0.21-1mm, the particle size of the silicon carbide particle material is 0.21-1mm, the particle size of the coke particle material is 0.21-1mm, the high-aluminum fine powder is 200 meshes of powder, the Guangxi clay is 200 meshes of powder, and the metal silicon is 325 meshes of powder.
3. An antiscour waterless stemming as defined in claim 2, wherein: the dry material comprises the following raw materials in parts by weight: 10 parts of brown corundum particles with the particle size of 1-2mm, 10 parts of white corundum particles with the particle size of 0.21-1mm, 5 parts of silicon carbide particles with the particle size of 0.21-1mm, 8 parts of coke particles with the particle size of 0.21-1mm, 5 parts of 200-mesh high-aluminum fine powder, 6 parts of 200-mesh silicon carbide powder, 2 parts of 325-mesh silicon carbide powder, 3 parts of metal sialon compound, 2 parts of activated alumina powder, 1 part of silicon micro powder, 5 parts of 200-mesh Guangxi clay and 1 part of 325-mesh metal silicon, and 8 parts of environment-friendly resin oil.
4. An antiscour waterless stemming as defined in claim 2, wherein: the dry material comprises the following raw materials in parts by weight: 20 parts of brown corundum granules with the granularity of 1-2mm, 17 parts of white corundum granules with the granularity of 0.21-1mm, 10 parts of silicon carbide granules with the granularity of 0.21-1mm, 15 parts of coke granules with the granularity of 0.21-1mm, 10 parts of 200-mesh high-aluminum fine powder, 10 parts of 200-mesh silicon carbide powder, 5 parts of 325-mesh silicon carbide powder, 8 parts of metal sialon compound, 6 parts of activated alumina powder, 5 parts of silicon micropowder, 12 parts of 200-mesh Guangxi clay and 15 parts of 325-mesh metal silicon, and 15 parts of environment-friendly resin oil.
5. An antiscour waterless stemming as defined in claim 2, wherein: the dry material comprises the following raw materials in parts by weight: 15 parts of brown corundum granules with the granularity of 1-2mm, 13 parts of white corundum granules with the granularity of 0.21-1mm, 8 parts of silicon carbide granules with the granularity of 0.21-1mm, 11 parts of coke granules with the granularity of 0.21-1mm, 8 parts of 200-mesh high-alumina fine powder, 8 parts of 200-mesh silicon carbide powder, 3.5 parts of 325-mesh silicon carbide powder, 5.5 parts of metal sialon compound, 4 parts of active alumina powder, 3 parts of silicon micropowder, 8 parts of 200-mesh Guangxi clay and 3 parts of 325-mesh metal silicon, and 11.5 parts of environment-friendly resin oil.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259868A (en) * | 2022-07-28 | 2022-11-01 | 江西联达冶金有限公司 | Anhydrous stemming based on environment-friendly resin |
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|---|---|---|---|---|
| JPS649877A (en) * | 1987-07-03 | 1989-01-13 | Nippon Kokan Kk | Pouring material for hot metal-carrying vessel |
| US5783509A (en) * | 1996-03-04 | 1998-07-21 | Pem Abrasifs Refractaires | Process for preparing a refractory powder from spent contact masses issuing from the production of silanes, and to refactory products obtained therefrom |
| CN1485300A (en) * | 2002-09-29 | 2004-03-31 | 宝山钢铁股份有限公司 | Sialon bonded refractories containing Al-Si alloys |
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